Hi,
Can you please try using the example below?
Example:
var
I: integer;
begin
IWMemo1.Clear;
for I := 0 to TIWDBAdvWebGrid1.DataSource.DataSet.RecordCount -1 do
begin
IWMemo1.Lines.Add(BoolToStr(TIWDBAdvWebGrid1.RowSelect, true));
end;